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| author | Richard Biener <rguenther@suse.de> | 2019-07-30 08:57:35 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2019-07-30 08:57:35 +0000 |
| commit | 8c955a4b9ca99dc1557dd4547068abf7a0838c8f (patch) | |
| tree | 25121faf68ef673d474e269a9e80b23242bf2a87 /gcc | |
| parent | 230e2efd781c89e4add25c304e6d815c25366387 (diff) | |
| download | gcc-8c955a4b9ca99dc1557dd4547068abf7a0838c8f.zip gcc-8c955a4b9ca99dc1557dd4547068abf7a0838c8f.tar.gz gcc-8c955a4b9ca99dc1557dd4547068abf7a0838c8f.tar.bz2 | |
re PR tree-optimization/91291 (gcc.dg/20020312-2.c FAILs)
2019-07-30 Richard Biener <rguenther@suse.de>
PR tree-optimization/91291
* tree-ssa-sccvn.c (rpo_elim::eliminate_push_avail): Ignore
constant values.
From-SVN: r273903
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/tree-ssa-sccvn.c | 3 |
2 files changed, 8 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index f69542d..1f71491 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2019-07-30 Richard Biener <rguenther@suse.de> + + PR tree-optimization/91291 + * tree-ssa-sccvn.c (rpo_elim::eliminate_push_avail): Ignore + constant values. + 2019-07-30 Jakub Jelinek <jakub@redhat.com> PR middle-end/91216 diff --git a/gcc/tree-ssa-sccvn.c b/gcc/tree-ssa-sccvn.c index a2cb237..23f7400 100644 --- a/gcc/tree-ssa-sccvn.c +++ b/gcc/tree-ssa-sccvn.c @@ -6253,7 +6253,8 @@ void rpo_elim::eliminate_push_avail (basic_block bb, tree leader) { tree valnum = VN_INFO (leader)->valnum; - if (valnum == VN_TOP) + if (valnum == VN_TOP + || is_gimple_min_invariant (valnum)) return; if (dump_file && (dump_flags & TDF_DETAILS)) { |